A smart nano-blackboard is also called a nano-blackboard all-in-one machine. It is generally divided into 65 inches, 75 inches, 85 inches, 86 inches, 98 inches, 100 inches, and 110 inches. Ordinary blackboards have a lot of dust, causing air pollution and endangering the health of teachers and students. Outdoor Digital Screen Advertising, Dual Screen Display , Indoor Digital Advertising Screens , Restaurant Menu Display Screen ,Restaurant Digital Menu Display . We have a professional team for international trade. We can solve the problem you meet. We can provide the products you want. Please feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Lyon, Vietnam,azerbaijan, Palestine.The 86-inch meeting and teaching interactive digital board integrate a high-definition display, interactive whiteboard functions, and various touch technologies. The screens all use high-definition LCD panels with the high-definition resolution, which enhances the color expression of the picture and makes the wonderful picture vivid and lifelike. The equipment functions of touch screen products present such highlights as ultra-light and ultra-thin, ultra-low power consumption, no thermal interference, and ultra-low radiation. It has changed the disadvantages and shortcomings caused by traditional equipment such as complex wiring engineering, serious influence by ambient light, unclear display, shadows in writing, thermal interference, and high radiation.